CCNA 2 Pretest Exam Answers 2017 (v5.03 + v5.1 + v6.0)

CCNA 2 Pretest Exam Answers 2017 (v5.03 + v5.1 + v6.0)

1. Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)

MAC address

IP address*

kernel

shell

subnet mask*

2. What is the correct order for PDU encapsulation?

3. To revert to a previous configuration, an administrator issues the command copy tftp startup-config on a router and enters the host address and file name when prompted. After the command is completed, why does the current configuration remain unchanged?

The command should have been copy startup-config tftp.

The configuration should have been copied to the running configuration instead.*

The configuration changes were copied into RAM and require a reboot to take effect.

A TFTP server can only be used to restore the Cisco IOS, not the router configuration.

4. A small car dealership has a scanner that is attached to the PC of the sales manager. When salesmen need to scan a document, they place the document in the scanner and use their own PCs to control the scanner through software on the PC of the manager. After the document is scanned, they can attach it to an email or upload it into the sales software. What type of network model does this scenario describe?

client/server

packet-switched

peer-to-peer*

centralized

hierarchical

5. Which media access method requires that an end device send a notification across the media before sending data?

CSMA/CA​*

CSMA/CD​

deterministic

token passing

6. Refer to the exhibit. PC1 is configured to obtain a dynamic IP address from the DHCP server. PC1 has been shut down for two weeks. When PC1 boots and tries to request an available IP address, which destination IP address will PC1 place in the IP header?

192.168.1.1

192.168.1.8

192.168.1.255

255.255.255.255*

7. Which statement is true about IPv6 addresses?

Global unicast addresses are globally unique and can be routed through the Internet.*

Link-local addresses must be unique.

A loopback address is represented by ::/128.​

Unique local addresses are used to communicate with other devices on the same link.

8. Refer to the exhibit. Which IP addressing scheme should be changed?

Site 1

Site 2*

Site 3

Site 4

9. What is the most effective way to mitigate worm and virus attacks?

Secure all Layer 2 devices.

Ensure that users change their passwords often.

Deploy packet filtering firewalls at the network edge.

Install security updates to patch vulnerable systems.*

10. A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?

ipconfig /all

arp -a

ipconfig /displaydns*

nslookup

11. Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?

letmein

secretin

lineconin

linevtyin*

12. In performing a protocol analysis of a network, when should traffic be captured to ensure the most accurate representation of the different traffic types on the network?

during software upgrades

during times of moderate network use

during hours of peak network use*

during weekends and holidays when network use is light

13. Refer to the exhibit. A TCP segment from a server has been captured by Wireshark, which is running on a host. What acknowledgement number will the host return for the TCP segment that has been received?

2

21

250

306*

2921

14. Refer to the exhibit. What is the link-local IPv6 address of the local computer shown based on the output of the netstat -r command?

::1/128

2001::/32

2001:db8:9d38:953c:1c53:2271:9c9a:c62c/128

fe80::/64

fe80::13e:4586:5807:95f7/128*

15. A network administrator is checking the system logs and notices unusual connectivity tests to multiple well-known ports on a server. What kind of potential network attack could this indicate?

access

reconnaissance*

denial of service

information theft

16. Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?

ARP

DNS

PAT*

SMB

DHCP

HTTP

17. What happens when part of an Internet television transmission is not delivered to the destination?

A delivery failure message is sent to the source host.

The part of the television transmission that was lost is re-sent.

The entire transmission is re-sent.

The transmission continues without the missing portion.*

18. Which three IP addresses are public? (Choose three.)

10.1.1.1

128.107.0.7 *

192.31.7.10*

172.16.4.4

192.168.5.5

64.104.7.7*

19. A host is accessing an FTP server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)

regenerating data signals*

acting as a client or a server

providing a channel over which messages travel

applying security settings to control the flow of data *

notifying other devices when errors occur*

serving as the source or destination of the messages

20. Which IP address is a valid network address?

172.16.4.32/27*

172.16.4.79/28

172.16.4.255/22

172.16.5.255/23

21. What is the range of host IP addresses for the subnet 172.16.1.32/28?

172.16.1.33 – 172.16.1.38

172.16.1.33 – 172.16.1.46*

172.16.1.33 – 172.16.1.62

172.16.1.32 – 172.16.1.39

172.16.1.32 – 172.16.1.47

22. An organization has received the IPv6 network prefix of 2001:db8:1234::/52 from their ISP. How many subnets can be created from this prefix without borrowing bits from the interface ID?

1024

4096 *

8192

65536

23. Match the application protocols to the correct transport protocols.

Question

Answer

24. Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.What is the secret keyword that is displayed on the web page?

router

switch

frame

packet*

cisco

25. Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which IPv6 address is assigned to the Serial0/0/0 interface on RT2?

2001:db8:abc:1::1

2001:db8:abc:5::1*

2001:db8:abc:5::2

2001:db8:abc:10::15

26. What is the purpose of a routing protocol?

It is used to build and maintain ARP tables.

It provides a method for segmenting and reassembling data packets.

It allows an administrator to devise an addressing scheme for the network.

It allows a router to share information about known networks with other routers.*

It provides a procedure for encoding and decoding data into bits for packet forwarding.

27. ACLs are used primarily to filter traffic. What are two additional uses of ACLs? (Choose two.)

specifying source addresses for authentication

specifying internal hosts for NAT *

identifying traffic for QoS*

reorganizing traffic into VLANs

filtering VTP packets

28. What are two functions of a router? (Choose two.)

It connects multiple IP networks.*

It controls the flow of data via the use of Layer 2 addresses.

It determines the best path to send packets.*

It manages the VLAN database.

It increases the size of the broadcast domain.

29. Which statement describes a route that has been learned dynamically?

It is automatically updated and maintained by routing protocols.*

It is unaffected by changes in the topology of the network.

It has an administrative distance of 1.

It is identified by the prefix C in the routing table.

30. Refer to the exhibit. What will the router do with a packet that has a destination IP address of 192.168.12.227?

Drop the packet.

Send the packet out the Serial0/0/0 interface.*

Send the packet out the GigabitEthernet0/0 interface.

Send the packet out the GigabitEthernet0/1 interface.

31. Which three advantages are provided by static routing? (Choose three.)

Static routing does not advertise over the network, thus providing better security.*

A higher cost for an OSPF link indicates a faster path to the destination.

Link cost indicates a proportion of the accumulated value of the route to the destination.

Cost equals bandwidth.

A lower cost indicates a better path to the destination than a higher cost does.*

38. A small-sized company has 30 workstations and 2 servers. The company has been assigned a group of IPv4 addresses 209.165.200.224/29 from its ISP. The two servers must be assigned public IP addresses so they are reachable from the outside world. What technology should the company implement in order to allow all workstations to access services over the Internet simultaneously?

DHCP

static NAT

dynamic NAT

port address translation*

39. Which information does a switch use to keep the MAC address table information current?

the destination MAC address and the incoming port

the destination MAC address and the outgoing port

the source and destination MAC addresses and the incoming port

the source and destination MAC addresses and the outgoing port

the source MAC address and the incoming port*

the source MAC address and the outgoing port

40. Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Fill in the blank. Do not use abbreviations.What is the missing command on S1? Answer: ip address 192.168.99.2 255.255.255.0*